Which flag shown in the output of the show conn command is used to indicate

Which flag shown in the output of the show conn command is used to indicate that an initial SYN packet is from the outside (lower security-level interface)?

A.
B                                                  initial SYN from outside hoofdletter Bshow

B.
D                                                  DNS

C.
b                                                  TCP state-bypass or nailed

D.
A                                                  Awaiting inside ACK to SYN,

E.
a                                                  awaiting outside ACK to SYN

F.
I

G.
1

H.
O                                                  Outband data